Study of titanium alloy in the changing channel angular extrusion

Dyi-Cheng Chen, Jia Ci Wang, Jhih Syuan Pan, Chu Fong Jhang, Gow Yi Tzou

Research output: Contribution to conferencePaper

Abstract

Utilizing commercial DEFORM™ 2D rigid-plastic finite element software, this study performs a series of simulations to investigate the plastic deformation behavior of Ti-6Al-4V titanium alloy during one-turn and two-turn changing channel angular (CCA) extrusion processes in which the two square channels within the die are configured such that they form internal angles of φ =90° and 120°, respectively. The simulations focus specifically on the effects of the numbers of turns in the die set, the internal angle, the channel side length, the friction factor and the temperature on the distributions of the effective strain, damage and effective stress, respectively, within the extruded billet. The numerical results are qualitatively compared with experimental observations of CCA extrusion processes performed using plastic extrusion dies and a clay billet. The results presented in this study provide valuable insights into the shear plastic deformation behavior of Ti-6Al-4V titanium alloy during the CCA extrusion process and confirm the suitability of DEFORM™ 2D rigid-plastic finite element software as a modeling tool for CCA extrusion processing.

Original languageEnglish
Pages1537-1542
Number of pages6
Publication statusPublished - 2008 Jan 1
Event9th International Conference on Technology of Plasticity, ICTP 2008 - Gyeongju, Korea, Republic of
Duration: 2008 Sep 72008 Sep 11

Other

Other9th International Conference on Technology of Plasticity, ICTP 2008
CountryKorea, Republic of
CityGyeongju
Period08-09-0708-09-11

Fingerprint

Titanium alloys
Extrusion
Plastics
Plastic deformation
Extrusion dies
Shear deformation
Clay
Friction
Processing
Temperature

All Science Journal Classification (ASJC) codes

  • Polymers and Plastics

Cite this

Chen, D-C., Wang, J. C., Pan, J. S., Jhang, C. F., & Tzou, G. Y. (2008). Study of titanium alloy in the changing channel angular extrusion. 1537-1542. Paper presented at 9th International Conference on Technology of Plasticity, ICTP 2008, Gyeongju, Korea, Republic of.
Chen, Dyi-Cheng ; Wang, Jia Ci ; Pan, Jhih Syuan ; Jhang, Chu Fong ; Tzou, Gow Yi. / Study of titanium alloy in the changing channel angular extrusion. Paper presented at 9th International Conference on Technology of Plasticity, ICTP 2008, Gyeongju, Korea, Republic of.6 p.
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Chen, D-C, Wang, JC, Pan, JS, Jhang, CF & Tzou, GY 2008, 'Study of titanium alloy in the changing channel angular extrusion', Paper presented at 9th International Conference on Technology of Plasticity, ICTP 2008, Gyeongju, Korea, Republic of, 08-09-07 - 08-09-11 pp. 1537-1542.

Study of titanium alloy in the changing channel angular extrusion. / Chen, Dyi-Cheng; Wang, Jia Ci; Pan, Jhih Syuan; Jhang, Chu Fong; Tzou, Gow Yi.

2008. 1537-1542 Paper presented at 9th International Conference on Technology of Plasticity, ICTP 2008, Gyeongju, Korea, Republic of.

Research output: Contribution to conferencePaper

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PY - 2008/1/1

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N2 - Utilizing commercial DEFORM™ 2D rigid-plastic finite element software, this study performs a series of simulations to investigate the plastic deformation behavior of Ti-6Al-4V titanium alloy during one-turn and two-turn changing channel angular (CCA) extrusion processes in which the two square channels within the die are configured such that they form internal angles of φ =90° and 120°, respectively. The simulations focus specifically on the effects of the numbers of turns in the die set, the internal angle, the channel side length, the friction factor and the temperature on the distributions of the effective strain, damage and effective stress, respectively, within the extruded billet. The numerical results are qualitatively compared with experimental observations of CCA extrusion processes performed using plastic extrusion dies and a clay billet. The results presented in this study provide valuable insights into the shear plastic deformation behavior of Ti-6Al-4V titanium alloy during the CCA extrusion process and confirm the suitability of DEFORM™ 2D rigid-plastic finite element software as a modeling tool for CCA extrusion processing.

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Chen D-C, Wang JC, Pan JS, Jhang CF, Tzou GY. Study of titanium alloy in the changing channel angular extrusion. 2008. Paper presented at 9th International Conference on Technology of Plasticity, ICTP 2008, Gyeongju, Korea, Republic of.